Pushed logging into sub-package to preserve windows client build

Signed-off-by: Russ Magee <rmagee@gmail.com>

logger/Makefile

@@ -0,0 +1,10 @@
+.PHONY: clean all
+
+EXE = $(notdir $(shell pwd))
+
+all:
+	go build .
+
+clean:
+	$(RM) $(EXE) $(EXE).exe
+

logger/logger_linux.go

@@ -0,0 +1,100 @@
+// +build linux
+//
+// Wrapper around UNIX syslog, so that it also may be wrapped
+// with something else for Windows (Sadly, the stdlib log/syslog
+// is frozen, and there is no Window implementation.)
+package logger
+
+import (
+	sl "log/syslog"
+)
+
+type Priority = sl.Priority
+type Writer = sl.Writer
+
+const (
+	// Severity.
+
+	// From /usr/include/sys/syslog.h.
+	// These are the same on Linux, BSD, and OS X.
+	LOG_EMERG Priority = iota
+	LOG_ALERT
+	LOG_CRIT
+	LOG_ERR
+	LOG_WARNING
+	LOG_NOTICE
+	LOG_INFO
+	LOG_DEBUG
+)
+
+const (
+	// Facility.
+
+	// From /usr/include/sys/syslog.h.
+	// These are the same up to LOG_FTP on Linux, BSD, and OS X.
+	LOG_KERN Priority = iota << 3
+	LOG_USER
+	LOG_MAIL
+	LOG_DAEMON
+	LOG_AUTH
+	LOG_SYSLOG
+	LOG_LPR
+	LOG_NEWS
+	LOG_UUCP
+	LOG_CRON
+	LOG_AUTHPRIV
+	LOG_FTP
+	_ // unused
+	_ // unused
+	_ // unused
+	_ // unused
+	LOG_LOCAL0
+	LOG_LOCAL1
+	LOG_LOCAL2
+	LOG_LOCAL3
+	LOG_LOCAL4
+	LOG_LOCAL5
+	LOG_LOCAL6
+	LOG_LOCAL7
+)
+
+var (
+	l *sl.Writer
+)
+
+func New(flags Priority, tag string) (w *Writer, e error) {
+	w, e = sl.New(sl.Priority(flags), tag)
+	l = w
+	return w, e
+}
+
+func Alert(s string) error {
+		return l.Alert(s)
+}
+func LogClose() error {
+		return l.Close()
+}
+func LogCrit(s string) error {
+		return l.Crit(s)
+}
+func LogDebug(s string) error {
+		return l.Debug(s)
+}
+func LogEmerg(s string) error {
+		return l.Emerg(s)
+}
+func LogErr(s string) error {
+		return l.Err(s)
+}
+func LogInfo(s string) error {
+		return l.Info(s)
+}
+func LogNotice(s string) error {
+		return l.Notice(s)
+}
+func LogWarning(s string) error {
+		return l.Warning(s)
+}
+func LogWrite(b []byte) (int, error) {
+		return l.Write(b)
+}

logger/logger_windows.go

@@ -0,0 +1,94 @@
+// +build windows
+//
+// Wrapper around UNIX syslog, so that it also may be wrapped
+// with something else for Windows.
+package logger
+
+import (
+	"os"
+)
+
+type Priority = int
+type Writer = os.File
+
+
+const (
+	// Severity.
+
+	// From /usr/include/sys/syslog.h.
+	// These are the same on Linux, BSD, and OS X.
+	LOG_EMERG Priority = iota
+	LOG_ALERT
+	LOG_CRIT
+	LOG_ERR
+	LOG_WARNING
+	LOG_NOTICE
+	LOG_INFO
+	LOG_DEBUG
+)
+
+const (
+	// Facility.
+
+	// From /usr/include/sys/syslog.h.
+	// These are the same up to LOG_FTP on Linux, BSD, and OS X.
+	LOG_KERN Priority = iota << 3
+	LOG_USER
+	LOG_MAIL
+	LOG_DAEMON
+	LOG_AUTH
+	LOG_SYSLOG
+	LOG_LPR
+	LOG_NEWS
+	LOG_UUCP
+	LOG_CRON
+	LOG_AUTHPRIV
+	LOG_FTP
+	_ // unused
+	_ // unused
+	_ // unused
+	_ // unused
+	LOG_LOCAL0
+	LOG_LOCAL1
+	LOG_LOCAL2
+	LOG_LOCAL3
+	LOG_LOCAL4
+	LOG_LOCAL5
+	LOG_LOCAL6
+	LOG_LOCAL7
+)
+
+func New(flags Priority, tag string) (w *Writer, e error) {
+	return os.Stderr, nil
+}
+
+func Alert(s string) error {
+		return nil
+}
+func LogClose() error {
+		return nil
+}
+func LogCrit(s string) error {
+		return nil
+}
+func LogDebug(s string) error {
+		return nil
+}
+func LogEmerg(s string) error {
+		return nil
+}
+func LogErr(s string) error {
+		return nil
+}
+func LogInfo(s string) error {
+		return nil
+}
+func LogNotice(s string) error {
+		return nil
+}
+func LogWarning(s string) error {
+		return nil
+}
+func LogWrite(b []byte) (int, error) {
+		return len(b), nil
+}